| 1 | — |  | The Rest Is Science | Goalhanger | |
| 2 | 2 |  | Radiolab | WNYC Studios | |
| 3 | 4 |  | Science Weekly | The Guardian | |
| 4 | 1 |  | Get Birding | Peanut & Crumb | |
| 5 | 2 |  | More or Less | BBC Radio 4 | |
| 6 | 4 | S | Show Me the Science with Luke O'Neill | Newstalk | |
| 7 | 9 | F | Futureproof with Jonathan McCrea | Newstalk | |
| 8 | 3 |  | The Infinite Monkey Cage | BBC Radio 4 | |
| 9 | 3 |  | Hidden Brain | Hidden Brain, Shankar Vedantam | |
| 10 | 2 |  | BBC Inside Science | BBC Radio 4 | |
| 11 | 9 | C | CountryWide | RTÉ Radio 1 | |
| 12 | 6 |  | Making Sense with Sam Harris | Sam Harris | |
| 13 | 1 |  | The world, the universe and us | New Scientist | |
| 14 | 3 |  | Curious Cases | BBC Radio 4 | |
| 15 | 5 | B | Boring History for Sleep | Velvet | |
| 16 | 8 |  | NASA's Curious Universe | National Aeronautics and Space Administration (NASA) | |
| 17 | 2 |  | StarTalk Radio | Neil deGrasse Tyson | |
| 18 | 9 |  | Ologies with Alie Ward | Alie Ward | |
| 19 | 3 |  | WEAPONIZED with Jeremy Corbell & George Knapp | Jeremy Corbell and George Knapp | |
| 20 | 7 |  | The Life Scientific | BBC Radio 4 | |
| 21 | — | M | Mooney Goes Wild | RTÉ Radio 1 | |
| 22 | 3 |  | Science Vs | Spotify Studios | |
| 23 | 10 |  | Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas | Sean Carroll | |
| 24 | 1 |  | Unexpected Elements | BBC World Service | |
| 25 | 7 |  | Uncharted with Hannah Fry | BBC Radio 4 | |
| 26 | 5 |  | The Skeptics' Guide to the Universe | Dr. Steven Novella | |
| 27 | 2 |  | The Supermassive Podcast | The Royal Astronomical Society | |
| 28 | 2 |  | CrowdScience | BBC World Service | |
| 29 | 13 |  | Discovery | BBC World Service | |
| 30 | 20 |  | Sasquatch Chronicles | Sasquatch Chronicles - Bigfoot Encounters | |
| 31 | 7 |  | Daniel and Kelly’s Extraordinary Universe | iHeartPodcasts | |
| 32 | — |  | Naturebang | BBC Radio 4 | |
| 33 | 23 |  | The Science of Birds | Ivan Phillipsen | |
| 34 | — | R | Royal Society of Edinburgh audio | The Royal Society of Edinburgh | |
| 35 | — |  | Astrum Space | Astrum | |
| 36 | 12 | N | Naturefile | RTÉ lyric fm | |
| 37 | 15 | P | Pharma Conversations Podcast | Pharma Conversations Podcast | |
| 38 | 11 | H | Health Science (For the Rest of Us!) | Terel Jackson | |
| 39 | 14 |  | Overheard at National Geographic | National Geographic | |
| 40 | 25 | I | In Your Nature | By BirdWatch Ireland | |
| 41 | 35 |  | TED Talks Science and Medicine | TED | |
| 42 | — | T | Tom MacSweeney's Seascapes | Tom MacSweeney | |
| 43 | 6 |  | All In The Mind | ABC | |
| 44 | — |  | Mythfits | Pionaire Podcasting | |
| 45 | — |  | Navigating Neuropsychology | John Bellone & Ryan Van Patten - NavNeuro | |
| 46 | — |  | New Books in Medicine | Marshall Poe | |
| 47 | 8 |  | Psychiatry & Psychotherapy Podcast | David Puder, M.D. | |
| 48 | — |  | The Horse First: A Veterinary Sport Horse Podcast | Audrey DeClue, DVM | |
| 49 | — |  | Science In Action | BBC World Service | |
| 50 | — | I | Internet of Nature Podcast | Dr. Nadina Galle | |
| 51 | — | T | The Electricity Exchange by VIOTAS | Jonathan Travers | |
| 52 | — | U | Urban Health & Wellbeing | Urban Health & Wellbeing | |
| 53 | 8 |  | The Michael Shermer Show | Michael Shermer | |
| 54 | — | T | The Neuro Clinic | Ingram Wright | |
| 55 | — |  | Operation Night Cat | New Hampshire Public Radio | |
| 56 | — | T | The Climate Ambassador Podcast | The Climate Ambassador Podcast | |
| 57 | — |  | Science unscripted | DW | |
| 58 | 28 | W | Wild Lives | Our Media | |
| 59 | — | H | Hiçbir Şey Tesadüf Değil | Podbee Media | |
| 60 | — | C | Conversation Beneath The Trees | Conversation Beneath The Trees | |
| 61 | — | S | Spektrum-Podcast | detektor.fm – Das Podcast-Radio | |
| 62 | — |  | Psychoanalysis & You | APsA American Psychoanalytic Association | |
| 63 | 35 | R | Rambling About Rivers | The Rivers Trust | |
| 64 | 28 |  | Babbage from The Economist | The Economist | |
| 65 | 33 |  | Short Wave | NPR | |
| 66 | 32 | F | Farming Today | BBC Radio 4 | |
| 67 | 20 |  | This Podcast Will Kill You | Exactly Right and iHeartPodcasts | |
| 68 | 13 |  | Science Friday | Science Friday and WNYC Studios | |
| 69 | 32 |  | Therapist Uncensored Podcast | Sue Marriott LCSW, CGP & Ann Kelley PhD | |
| 70 | 29 |  | Mysterious Universe | 8th Kind | |
| 71 | 35 |  | The Plodcast | Our Media | |
| 72 | 23 |  | The Common Descent Podcast | Common Descent | |
| 73 | 2 |  | The Naked Scientists Podcast | The Naked Scientists | |
| 74 | 28 |  | Blurry Creatures | Blurry Creatures | |
| 75 | 31 |  | A Life More Wild | Canopy & Stars | |
| 76 | 61 |  | This Week in Cardiology | Medscape | |
| 77 | 34 |  | Science Friction | ABC | |
| 78 | 38 |  | Inner Cosmos with David Eagleman | iHeartPodcasts | |
| 79 | 21 |  | Nature Podcast | Springer Nature Limited | |
| 80 | 10 |  | The Resetter Podcast with Dr. Mindy | Dr. Mindy Pelz | |
| 81 | 36 |  | Why Do We Do That? | BBC Radio 4 | |
| 82 | 23 |  | The Psychology Podcast | iHeartPodcasts | |
| 83 | 50 |  | Scotland Outdoors | BBC Radio Scotland | |
| 84 | 33 | W | Wild Questions | RSPB | |
| 85 | 32 |  | 跨国串门儿计划 | yikai | |
| 86 | 32 | I | Invisible Forces: The Hidden Physics Shaping Your Life | Rhythm Studio | |
| 87 | 2 |  | ExtinctZoo | ExtinctZoo | |
| 88 | 4 |  | DarkHorse Podcast | Bret Weinstein & Heather Heying | |
| 89 | 83 |  | Shark Week: The Podcast | Discovery | |
| 90 | 27 |  | Rewilding the World with Ben Goldsmith | Ben Goldsmith | |
| 91 | 14 |  | Universe Today Podcast | Fraser Cain | |
| 92 | 13 | T | The Hoofcare Companion | Marc Jerram BSc (Hons) Grad Dip ELR CJF AWCF Master Farrier | |
| 93 | 33 | G | Guardians of the River | Wild Bird Trust, NGOWP, House of Pod | |
| 94 | 28 | T | The Systemic Way | Sezer and Julie | |
| 95 | 14 |  | SpaceTime with Stuart Gary | Stuart Gary | |
| 96 | 32 |  | Speaking of Psychology | American Psychological Association | |
| 97 | 66 |  | Ask a Spaceman! | Paul M. Sutter | |
| 98 | 41 |  | The Vatican Observatory Podcast | Vatican Observatory | |
| 99 | 72 | C | Chris Skinner's Countryside Podcasts | High Ash Farm | |
| 100 | 1 |  | Space Nuts: Astronomy Insights & Cosmic Discoveries | Professor Fred Watson and Andrew Dunkley | |
